E36 six cylinders a prone to thermostats, blocked radiators, air locks and mostly water pump failure. Remove the water pump and re-assess, the impeller separates from the shaft and no longer provides circulation.

...the temp gauge is all the way up past the red zone, but did not see any signs that my bmw was overheating, was able to drive the car to my house, turned off the car and ehen started it again it did no...